DE69308193D1 - Process for the preparation of alpha-L-aspartyl-L-phenylalanine - Google Patents
Process for the preparation of alpha-L-aspartyl-L-phenylalanineInfo
- Publication number
- DE69308193D1 DE69308193D1 DE69308193T DE69308193T DE69308193D1 DE 69308193 D1 DE69308193 D1 DE 69308193D1 DE 69308193 T DE69308193 T DE 69308193T DE 69308193 T DE69308193 T DE 69308193T DE 69308193 D1 DE69308193 D1 DE 69308193D1
- Authority
- DE
- Germany
- Prior art keywords
- aspartyl
- phenylalanine
- alpha
- preparation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K5/00—Peptides containing up to four amino acids in a fully defined sequence; Derivatives thereof
- C07K5/04—Peptides containing up to four amino acids in a fully defined sequence; Derivatives thereof containing only normal peptide links
- C07K5/06—Dipeptides
- C07K5/06104—Dipeptides with the first amino acid being acidic
- C07K5/06113—Asp- or Asn-amino acid
- C07K5/06121—Asp- or Asn-amino acid the second amino acid being aromatic or cycloaliphatic
- C07K5/0613—Aspartame
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- Biophysics (AREA)
- General Health & Medical Sciences (AREA)
- Genetics & Genomics (AREA)
- Medicinal Chemistry (AREA)
- Molecular Biology (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- Peptides Or Proteins (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP32688392A JP3208874B2 (en) | 1992-12-07 | 1992-12-07 | Method for producing α-L-aspartyl-L-phenylalanine |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69308193D1 true DE69308193D1 (en) | 1997-03-27 |
DE69308193T2 DE69308193T2 (en) | 1997-09-25 |
Family
ID=18192813
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69308193T Expired - Fee Related DE69308193T2 (en) | 1992-12-07 | 1993-12-07 | Process for the preparation of alpha-L-aspartyl-L-phenylalanine |
Country Status (5)
Country | Link |
---|---|
US (1) | US5362903A (en) |
EP (1) | EP0600521B1 (en) |
JP (1) | JP3208874B2 (en) |
CA (1) | CA2110768A1 (en) |
DE (1) | DE69308193T2 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU4449100A (en) * | 1999-03-03 | 2000-09-21 | Nutrasweet Company, The | Novel crystallization products of neotame and methods for producing same |
KR20010002083A (en) * | 1999-06-11 | 2001-01-05 | 고두모 | A method for producing α-L-aspartyl-L-phenylalanine methylester |
KR100347670B1 (en) * | 1999-10-12 | 2002-08-07 | 대상 주식회사 | A method for producing alpha-L-aspartyl-phenylalanine methylester |
KR20010096940A (en) * | 2000-04-19 | 2001-11-08 | 고두모 | A process for producing alpha-L-aspartyl-L-phenylalanine methylester hydrochloride |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58177952A (en) * | 1982-04-12 | 1983-10-18 | Ajinomoto Co Inc | Crystallization of l-alpha-aspartyl-l-phenylalanine methyl ester |
JPS60174799A (en) * | 1984-02-21 | 1985-09-09 | Ajinomoto Co Inc | Preparation of alpha-l-aspartyl-l-phenylalaninemethyl ester |
JPH0657719B2 (en) * | 1986-06-03 | 1994-08-03 | 味の素株式会社 | Method for recovering α-L-aspartyl-L-phenylalanine methyl ester |
US4954262A (en) * | 1988-11-08 | 1990-09-04 | Asahi Glass Company Ltd. | Method and apparatus for recovering sulfuric acid from a titanium sulfate waste liquor |
EP0484769B1 (en) * | 1990-11-05 | 1995-08-23 | MITSUI TOATSU CHEMICALS, Inc. | Improved process for crystallizing L-alpha-aspartyl-L-phenylalanine methyl ester from the solution |
-
1992
- 1992-12-07 JP JP32688392A patent/JP3208874B2/en not_active Expired - Fee Related
-
1993
- 1993-11-16 US US08/152,134 patent/US5362903A/en not_active Expired - Fee Related
- 1993-12-06 CA CA002110768A patent/CA2110768A1/en not_active Abandoned
- 1993-12-07 EP EP93119702A patent/EP0600521B1/en not_active Expired - Lifetime
- 1993-12-07 DE DE69308193T patent/DE69308193T2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US5362903A (en) | 1994-11-08 |
DE69308193T2 (en) | 1997-09-25 |
EP0600521A1 (en) | 1994-06-08 |
JPH06172382A (en) | 1994-06-21 |
EP0600521B1 (en) | 1997-02-19 |
CA2110768A1 (en) | 1994-06-08 |
JP3208874B2 (en) | 2001-09-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |